Our foot rest is designed and engineered to help reduce muscle strain and fatigue. The gliding design is able to adjust from 0° - 20°. The rubber padded backing keeps your footrest in place. This footrest is from sturdy high impact plastic construction. The foot platform measures 17.71" x 13.77" Adjustable angle from 0° - 20° Rubber padded backing Using a foot rest is a great way to reduce muscle strain and fatigue. Redistribute the pressure points and ease the stress on your back. You can use this ergonomic tool in the office or at home